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We construct 1-year mortality rates (per 1000 live births) for infant mortality (death under 1 year), neonatal mortality (death under 28 days), and postneonatal mortality (death between 28 and 364 days) at the county-year level, corresponding to the years 1960, 1970, 1980, 1990, 2000, 2010, and 2016.
25 lip 2024 · The U.S. infant mortality rate was 5.61 infant deaths per 1,000 live births, a 3% increase from the rate of 5.44 in 2021. The neonatal mortality rate increased 3% from 3.49 in 2021 to 3.59 in 2022, and the postneonatal mortality rate increased 4% from 1.95 to 2.02.
Results—In 2023, the U.S. provisional infant mortality rate was 5.61 infant deaths per 1,000 live births, unchanged from the rate in 2022. From 2022 to 2023, changes in the neonatal mortality rate (from 3.59 to 3.65) and the postneonatal mortality rate (from 2.02 to 1.96) were not statistically significant.
Preterm-infant mortality rates have been reported on a yearly basis in the United States by the National Center for Health and Statistics (NCHS), 5 yet trends in preterm infant mortality have not previously been quantified by race and ethnicity and socioeconomic status (SES) at a national level during the past 2 decades. The objective of this ...
1 paź 2023 · This study found that between 1995 and 2020, US preterm infant mortality improved among all categories of prematurity. Inequalities in preterm infant mortality based on maternal race and ethnicity have remained constant while socioeconomic disparities have widened over time.
• In 2019–2021, the overall infant mortality rate for the United States was 5.48 infant deaths per 1,000 live births. Infant mortality rates were highest among infants of Black women (10.52), followed by infants of American Indian and Alaska Native (7.69), Hispanic (4.84), White (4.42), and Asian (3.40) women (Table 1, Figure 1).
The estimated black infant mortality rates ranged from 6.6 per 1,000 births to 16.2 per 1,000 births, with a mean of 11.3 per 1,000 births. By comparison, the estimated white infant mortality rates ranged from 1.9 per 1,000 births to 9.9 per 1,000 births, with a mean of 5.4 per 1,000 births.
